Sony XNV-770BT - Manual (Page 6)

Step 3: Select Updates to be Installed
• Files to be offered for installation will depend on your navigation module.
• The next screen allows you to select the files wanted and their size.
• IMPORTANT: Make sure that “Navigator for Sony XNV Navigation Module” is
selected since this file will improve the GPS reception of your product.
• Once you have selected the files wanted, click on “Start downloading”.
The “Navigator” is the
file needed to improve
your GPS reception.
This button will start
the download process
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